Band systems in the spectrum of nitrogen

Gaydon, A. G.; Herman, R.

doi:10.1088/0959-5309/58/3/307

Cited by 12 publications

(5 citation statements)

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“…This assignment was definitely confirmed later theoretically and experimentally [34,35,[38][39][40][41]. Our calculations show that the 1 3 Σ g -is lying closely to the E state.…”

Section: Implications For the Radiative Transitions In Nsupporting

confidence: 85%

“…Despite the fact that the 1 3 g − state is located relatively high in energy, this state cannot emit to the lowest At ∼ 96 × 10 3 cm −1 above the GS, the E state was first located through analysis of the E 3 g + → A 3 u + emissions (Herman-Kaplan system) [37]. This assignment was definitely confirmed later theoretically and experimentally [34,35,[38][39][40][41]. Our calculations show that 1 3 g − is lying close to the E state.…”

Section: Implications For the Radiative Transitions In Nmentioning

confidence: 87%

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Valence–Rydberg electronic states of N₂: spectroscopy and spin–orbit couplings

Hochlaf

Ndome

Hammoutène

et al. 2010

J. Phys. B: At. Mol. Opt. Phys.

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Using an ab initio methodology, we compute the potential energy curves and the spinorbit coupling integrals of the N 2 electronic states located in the 0-120000 cm -1 energy domaine.In our analysis, we focus mostly on those located outside the Franck-Condon regio n accessible from the ground state of N 2 i.e. the two strongly bound states 1 3 Σ g -and 1 1 Γ g , and the weakly bound state 2 3 Σ g -, in addition to several repulsive states. We characterize them spectroscopically and we compute their spin-orbit couplings to the close lying singlets, triplets and quintets. This work completes our knowledge on the electronic states of N 2 that may be important intermediates during N + N collisions and for the dynamics of the N 2 singlets and triplets and quintets VUV photodissociation.

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“…This assignment was definitely confirmed later theoretically and experimentally [34,35,[38][39][40][41]. Our calculations show that the 1 3 Σ g -is lying closely to the E state.…”

Section: Implications For the Radiative Transitions In Nsupporting

confidence: 85%

Section: Implications For the Radiative Transitions In Nmentioning

confidence: 87%

Valence–Rydberg electronic states of N₂: spectroscopy and spin–orbit couplings

Hochlaf

Ndome

Hammoutène

et al. 2010

J. Phys. B: At. Mol. Opt. Phys.

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“…12 In recent years this system was reinvestigated in a resonance enhanced multi-photon ionization ͑REMPI͒ scheme 13 and in emission. 14 The a state was also observed in some other systems by Gaydon and Herman [15][16][17][18][19] ͑Gaydon-Herman singlet systems; 4 1 39 showed that the perturbations arise from an interaction with the k 1 ⌸ g state. Furthermore, an indirect predissociation mechanism was proposed to explain the missing ͑e͒ components.…”

Section: Introductionsupporting

confidence: 54%

Highly excited states of gerade symmetry in molecular nitrogen

Lange

Lang

Zande

et al. 2002

The Journal of Chemical Physics

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Highly excited states of gerade symmetry in molecular nitrogen have been investigated in a resonance-enhanced XUV+Vis (extreme ultraviolet+visible) transition scheme. Nineteen bands have been observed, of which only four involve known states [k 1Πg (v=1), x 1Σg− (v=2), and y 1Πg (v=1,2)], albeit in new systems. Three of the newly observed states have been assigned as y 1Πg (v=3) and k 1Πg (v=2,3). Level energies are determined with an accuracy of ≈0.20 cm−1.

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“…(1944) and by Herman (1945) (Gaydon and Herman 1946), who assigned eight systems to this group. Herman a~lalyzed only the vibratio~lal structures, but Gaydon also analyzed the rotational structures of some of the bands.…”

Section: Introductionmentioning

confidence: 99%

Emission Band Spectra of Nitrogen: A Study of Some Singlet Systems

Lofthus¹

1957

Can. J. Phys.

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Ten bands of Gaydon's and Herman's singlet systems and eight new bands have been photographed under high resolution and analyzed in detail. Two of the new transitions were shown to be '22-a 'II,, the upper state being in one case identical with Watson's and ICoontz's state g, and one new transition to be ' Ao-w ' A, in type. I t is proposed that the new state 'A, has the same electron configuration as the x '2; state. Two bands in the red and one band in the ultraviolet could not be assigned with certainty. Local perturbations in the p' ' Z;state were observed and shown to be caused by the u = 1 level of the b' ' Z: state. Observed pecularities in the rotatior~al structure of most of the upper states are proposed to be indicative of a transition from case b' to d' coupling. In some cases pronounced decreases in branch intensities were observed, indicating predissociations probably caused by "forbidden" intercombination processes. Identification of the electronic strrict~~re of the higher singlet states in terms of Rydberg orbitals is discussed. Rotational and vibrational constants and excitation energies are presented.

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Band systems in the spectrum of nitrogen

Cited by 12 publications

References 3 publications

Valence–Rydberg electronic states of N₂: spectroscopy and spin–orbit couplings

Valence–Rydberg electronic states of N₂: spectroscopy and spin–orbit couplings

Highly excited states of gerade symmetry in molecular nitrogen

Emission Band Spectra of Nitrogen: A Study of Some Singlet Systems

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Band systems in the spectrum of nitrogen

Cited by 12 publications

References 3 publications

Valence–Rydberg electronic states of N2: spectroscopy and spin–orbit couplings

Valence–Rydberg electronic states of N2: spectroscopy and spin–orbit couplings

Highly excited states of gerade symmetry in molecular nitrogen

Emission Band Spectra of Nitrogen: A Study of Some Singlet Systems

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Product

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Valence–Rydberg electronic states of N₂: spectroscopy and spin–orbit couplings

Valence–Rydberg electronic states of N₂: spectroscopy and spin–orbit couplings